<template>

  <div class="app-container">

    <h2 style="text-align: center;">最终发布</h2>

    <el-steps :active="4" process-status="wait" align-center style="margin-bottom: 40px;">
      <el-step title="填写课程基本信息"/>
      <el-step title="创建课程大纲"/>
        <el-step title="试卷列表"/>
      <el-step title="发布课程"/>
    </el-steps>

    <div class="ccInfo">
      <img :src="coursePublish.cover">
      <div class="main">
        <h2>{{ coursePublish.title }}</h2>
        <p class="gray"><span>共{{ coursePublish.lessonNum }}课时</span></p>
        <p><span>所属分类：{{ coursePublish.subjectLevelOne }} — {{ coursePublish.subjectLevelTwo }}</span></p>
        <p>课程讲师：{{ coursePublish.teacherName }}</p>
        <h3 class="red">￥{{ coursePublish.price }}</h3>
      </div>
    </div>

    <div>
      <el-button @click="previous">返回修改</el-button>
      <el-button :disabled="saveBtnDisabled" type="primary" @click="publish">完成</el-button>
    </div>
  </div>
</template>

<script>
import {mapActions, mapGetters} from 'vuex';
 import course from 'api/edu/course'
export default {
  components:{
    paperList: () => import('views/Course/publish_course/paper.vue'),
  
  },
  data() {
    return {
       preItem: {
            "menuId": "course_33",
          "menuNameCn":"试卷列表",
        
          "iconCls": "el-icon-location",
          "children":[],
          "comp":"paperList",
          "url":"/paperList"
      },
       Item:{
         "menuId": "course_2",
          "menuNameCn":"课程列表",
        
          "iconCls": "el-icon-location",
          "children":[],
          "comp":"courseList",
          "url":"/courseList"
      },
      saveBtnDisabled: false, // 保存按钮是否禁用
      courseId:'',
      coursePublish:{}
    }
  },

  created() {
     if(this.$store.state.course.currentCourseId!='none') {
      this.courseId = this.$store.state.course.currentCourseId
      this.getCoursePublishId()
     
    }

  },

       watch: {
      isFollow (newVal, oldVal) {
        this.courseId=newVal
        this.getCoursePublishId()
      }
    },
 computed: {
     isFollow () {
        return this.$store.state.course.currentCourseId ;　　//需要监听的数据
      },
    ...mapGetters([ // https://vuex.vuejs.org/zh-cn/getters.html
      'getCourseCurrentTab',
      'getCourseTabs'
    ])
  },
  methods:{
    ...mapActions([
      'courseAddTab',
       'courseRemoveTab',
    ]),
    getCoursePublishId() {
      course.getCoursePublishVo(this.courseId)
        .then(response => {
          this.coursePublish = response.data.data.item
        })
    },
    previous() {

      
          this.courseAddTab(this.preItem)
          this.courseRemoveTab("course_32")
    },

    publish() {
      course.publish(this.courseId)
        .then(response => {
          //提示
          this.$message({
            type: 'success',
            message: '课程发布成功!'
          });
          //跳转课程列表页面
    
          this.courseAddTab(this.Item)
          this.courseRemoveTab("course_32")
        })

    }
  }
}
</script>

<style scoped>
.ccInfo {
  background: #f5f5f5;
  padding: 20px;
  overflow: hidden;
  border: 1px dashed #DDD;
  margin-bottom: 40px;
  position: relative;
}
.ccInfo img {
  background: #d6d6d6;
  width: 500px;
  height: 278px;
  display: block;
  float: left;
  border: none;
}
.ccInfo .main {
  margin-left: 520px;
}

.ccInfo .main h2 {
  font-size: 28px;
  margin-bottom: 30px;
  line-height: 1;
  font-weight: normal;
}
.ccInfo .main p {
  margin-bottom: 10px;
  word-wrap: break-word;
  line-height: 24px;
  max-height: 48px;
  overflow: hidden;
}

.ccInfo .main p {
  margin-bottom: 10px;
  word-wrap: break-word;
  line-height: 24px;
  max-height: 48px;
  overflow: hidden;
}
.ccInfo .main h3 {
  left: 540px;
  bottom: 20px;
  line-height: 1;
  font-size: 28px;
  color: #d32f24;
  font-weight: normal;
  position: absolute;
}
</style>
